Long Polling: Server Push Simulation
HTTP was designed as a request-response protocol. Clients ask, servers answer. This works beautifully for fetching web pages but falls apart when servers need to notify clients about events—new…
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HTTP/2: Multiplexing, Server Push, and Header Compression
HTTP/2 represents the most significant upgrade to the HTTP protocol since HTTP/1.1 was standardized in 1997. While HTTP/1.1 served the web well for nearly two decades, modern applications with…
Read more →Design a Notification Service: Push, Email, SMS
A notification service is the backbone of user communication in modern applications. It’s responsible for delivering the right message, through the right channel, at the right time. Get it wrong, and…
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